32 lines
853 B
JavaScript
32 lines
853 B
JavaScript
![]() |
var assignValue = require('./_assignValue');
|
||
|
|
||
|
/**
|
||
|
* Copies properties of `source` to `object`.
|
||
|
*
|
||
|
* @private
|
||
|
* @param {Object} source The object to copy properties from.
|
||
|
* @param {Array} props The property identifiers to copy.
|
||
|
* @param {Object} [object={}] The object to copy properties to.
|
||
|
* @param {Function} [customizer] The function to customize copied values.
|
||
|
* @returns {Object} Returns `object`.
|
||
|
*/
|
||
|
function copyObject(source, props, object, customizer) {
|
||
|
object || (object = {});
|
||
|
|
||
|
var index = -1,
|
||
|
length = props.length;
|
||
|
|
||
|
while (++index < length) {
|
||
|
var key = props[index];
|
||
|
|
||
|
var newValue = customizer
|
||
|
? customizer(object[key], source[key], key, object, source)
|
||
|
: undefined;
|
||
|
|
||
|
assignValue(object, key, newValue === undefined ? source[key] : newValue);
|
||
|
}
|
||
|
return object;
|
||
|
}
|
||
|
|
||
|
module.exports = copyObject;
|